| Crystal to Arcos de Valdevez | 4,060.64 mi (6,534.96 km) |
| Crystal to Arcozelo | 4,082.42 mi (6,570.01 km) |
| Crystal to Arganil | 4,140.87 mi (6,664.08 km) |
| Crystal to Arouca | 4,104.09 mi (6,604.90 km) |
| Crystal to Arruda dos Vinhos | 4,146.74 mi (6,673.54 km) |
| Crystal to Aveiro | 4,098.70 mi (6,596.22 km) |
| Crystal to Aver-o-Mar | 4,063.16 mi (6,539.02 km) |
| Crystal to Aves | 4,081.70 mi (6,568.85 km) |
| Crystal to Azambuja | 4,152.09 mi (6,682.14 km) |
| Crystal to Baiao | 4,103.86 mi (6,604.53 km) |
| Crystal to Barcelos | 4,065.21 mi (6,542.32 km) |
| Crystal to Barreiro | 4,159.54 mi (6,694.13 km) |
| Crystal to Batalha | 4,131.50 mi (6,649.01 km) |
| Crystal to Beja | 4,237.13 mi (6,819.00 km) |
| Crystal to Belas | 4,146.19 mi (6,672.64 km) |
